Create an image from deployed files

Create an image from deployed files

[Stefan Herbrechtsmeier]

Hi,

what would be the best solution to create an image from deployed files?

The wic bootimg-partition plugin copy over files listed in 
IMAGE_BOOT_FILES and create a partition inside the wic image. The 
image.bbclass creates an image from individual packages.

I want to create an image like the image.bbclass but from deployed files 
like the wic bootimg-partition plugin.

I have add an image_types_vfat.bbclass to create vfat images, move the 
common parts from image.bbclass into image-common.bbclass and add a 
boot-image.bbclass. This class duplicates some code from the wic 
bootimg-partition plugin inside the do_rootfs function and add some 
dummy tasks to minimize the changes in the common code.

I wonder if this is the right direction or if another solution exists.

Best regards
   Stefan

Re: Create an image from deployed files

[Khem Raj]

On Wed, Jul 3, 2019 at 12:43 PM Stefan Herbrechtsmeier
<stefan@herbrechtsmeier.net> wrote:
>
> Hi,
>
> what would be the best solution to create an image from deployed files?
>
> The wic bootimg-partition plugin copy over files listed in
> IMAGE_BOOT_FILES and create a partition inside the wic image. The
> image.bbclass creates an image from individual packages.
>
> I want to create an image like the image.bbclass but from deployed files
> like the wic bootimg-partition plugin.
>
> I have add an image_types_vfat.bbclass to create vfat images, move the
> common parts from image.bbclass into image-common.bbclass and add a
> boot-image.bbclass. This class duplicates some code from the wic
> bootimg-partition plugin inside the do_rootfs function and add some
> dummy tasks to minimize the changes in the common code.
>
> I wonder if this is the right direction or if another solution exists.
>

I would think you can add a wic kickstart image to generate your desired image

> Best regards
>    Stefan
>
> --
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Re: Create an image from deployed files

[Stefan Herbrechtsmeier]

Am 22.07.19 um 18:34 schrieb Khem Raj:
> On Wed, Jul 3, 2019 at 12:43 PM Stefan Herbrechtsmeier
> <stefan@herbrechtsmeier.net> wrote:
>>
>> Hi,
>>
>> what would be the best solution to create an image from deployed files?
>>
>> The wic bootimg-partition plugin copy over files listed in
>> IMAGE_BOOT_FILES and create a partition inside the wic image. The
>> image.bbclass creates an image from individual packages.
>>
>> I want to create an image like the image.bbclass but from deployed files
>> like the wic bootimg-partition plugin.
>>
>> I have add an image_types_vfat.bbclass to create vfat images, move the
>> common parts from image.bbclass into image-common.bbclass and add a
>> boot-image.bbclass. This class duplicates some code from the wic
>> bootimg-partition plugin inside the do_rootfs function and add some
>> dummy tasks to minimize the changes in the common code.
>>
>> I wonder if this is the right direction or if another solution exists.
>>
> 
> I would think you can add a wic kickstart image to generate your desired image

How should this work? I need an image of a single partition without MBR 
or GPT. Furthermore I have multiple independent images with different sizes.

Meanwhile I have a working solution with a bare-image bbclass which 
installs a list of images from the deploy directory into the image 
rootfs. This images could be used by other wic and swupdate images. 
Thereby the bare-image bbclass supports all image types plus vfat and 
with two additional patches the wic rawcopy plugin supports on the fly 
unpack of packed images.

Best regards
   Stefan